Lg Electronics LAU121CNM User Manuals

Table of Contents

• Safety Precautions

  3
• Symbols Used in this Manual

  9
• Indoor Unit

  9
• Outdoor Unit

  10
• Symbols Used In This Manual

  11
• Features

  11
• Installation Parts

  12
• Installation Tools

  12
• Installation Map

  13
• Confirm The Refrigerant

  14
• Select The Best Location

  15
• Piping Length and Elevation

  16
• How to Mount Installation Plate

  17
• Drill a Hole in the Wall

  17
• Flaring Work

  18
• Connecting The Piping

  19
• Connection of The Drain Hose

  24
• Connection of Piping -Outdoor

  24
• Connection of The Cable

  25
• Checking The Drainage

  27
• Forming The Piping

  28
• Air Purging

  29
• Air purging with Vacuum Pump

  29
• Charging

  31
• Operation

  33
• Function of Controls

  33
• Display Function

  37
• Self-diagnosis Function

  37
• Remote Control Operations

  38
• Indoor Unit

  39
• Refrigeration Cycle Diagram

  42
• 2-way, 3-way Valve

  43
• Cycle Parts

  49
• Electronic Parts

  50
• Electric Control Device

  58
• Wiring Diagram

  60
• Components Location

  62
• Exploded View

  67